13403340 has 48 divisors (see below), whose sum is σ = 41700960. Its totient is φ = 3574080.

The previous prime is 13403333. The next prime is 13403371. The reversal of 13403340 is 4330431.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11871 + ... + 12950.

It is an arithmetic number, because the mean of its divisors is an integer number (868770).

Almost surely, 2^13403340 is an apocalyptic number.

13403340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13403340 is an abundant number, since it is smaller than the sum of its proper divisors (28297620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13403340 is a wasteful number, since it uses less digits than its factorization.

13403340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24839 (or 24831 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 13403340 is about 3661.0572243547. The cubic root of 13403340 is about 237.5405064798.

Adding to 13403340 its reverse (4330431), we get a palindrome (17733771).

The spelling of 13403340 in words is "thirteen million, four hundred three thousand, three hundred forty".